Retaining wall block



FIG. 1 is a top, front perspective view of a retaining wall blockshowing my new design;

FIG. 2 is a bottom, rear perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is as left side view thereof, with the right side view being amirror image thereof;

FIG. 5 is as bottom plan view thereof;

FIG. 6 is a front elevational view thereof; and,

FIG. 7 is a rear elevational view thereof.

The ornamental design for a retaining wall block, as shown anddescribed.